Block Report

300 Block of Rosemar St

28 properties on this block in Philadelphia.

View property grades, violation history, tax delinquencies, ownership transfers, title risk scores, and safety data for all 28 properties on the 300 Block of Rosemar St.

About this block

The 300 block of Rosemar St contains 28 properties tracked on KnowMyBlock, with an average grade of A. Construction dates range from 1953 to 1953. There are 2 open code violations across the block. The block has seen 31 ownership transfers in the last five years. 28 properties on the block were built before 1978 and may carry lead-paint risk under Philadelphia's lead disclosure ordinance. The top three property owners on this block control approximately 11% of its parcels.

All properties on this block (28)

AddressYearOpen violOwner-occGrade
300 Rosemar St19530YesA
301 Rosemar St19530YesA
302 Rosemar St19530YesA
303 Rosemar St19530YesA
304 Rosemar St19530YesA
305 Rosemar St19530YesA
306 Rosemar St19530YesA
307 Rosemar St19530YesA
308 Rosemar St19530YesA
309 Rosemar St19530YesA
Show all 28 properties
AddressYearOpen violOwner-occGrade
310 Rosemar St19531YesB
311 Rosemar St19530YesA
312 Rosemar St19530YesA
313 Rosemar St19531YesB
314 Rosemar St19530YesA
315 Rosemar St19530YesA
316 Rosemar St19530YesA
317 Rosemar St19530YesA
318 Rosemar St19530YesA
319 Rosemar St19530YesA
320 Rosemar St19530YesA
321 Rosemar St19530YesA
322 Rosemar St19530YesA
323 Rosemar St19530YesB
324 Rosemar St19530YesA
325 Rosemar St19530YesA
326 Rosemar St19530YesA
327 Rosemar St19530YesA

Recent block activity

  1. 2027-02-28License expired · 308 Rosemar St
  2. 2027-02-26License expired · 324 Rosemar St
  3. 2026-12-13License expired · 312 Rosemar St
  4. 2026-08-23License expired · 321 Rosemar St
  5. 2026-06-21Tax delinquency recorded · 323 Rosemar St
  6. 2026-06-14Complaint filed · 313 Rosemar St — Encroaching Trees
  7. 2026-04-30Inspection · 313 Rosemar St
  8. 2026-04-15License issued · 308 Rosemar St
  9. 2026-04-14License issued · 324 Rosemar St
  10. 2025-12-18License issued · 312 Rosemar St
  11. 2025-10-21Transferred · 316 Rosemar St
  12. 2025-09-03Transferred · 310 Rosemar St

Block health comparison

ScopeAvg gradeOpen viol/property
BlockA0.07
StreetA0.05
ZIP 19120A0.13
Citywide